5405778576 has 135 divisors (see below), whose sum is σ = 16658944393. Its totient is φ = 1635173760.

The previous prime is 5405778571. The next prime is 5405778589. The reversal of 5405778576 is 6758775045.

It is a happy number.

The square root of 5405778576 is 73524.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 474368400 + 4931410176 = 21780^2 + 70224^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5405778571) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9704890 + ... + 9705446.

Almost surely, 2^5405778576 is an apocalyptic number.

5405778576 is the 73524-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5405778576

5405778576 is an abundant number, since it is smaller than the sum of its proper divisors (11253165817).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5405778576 is a wasteful number, since it uses less digits than its factorization.

5405778576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 8232000, while the sum is 54.

The cubic root of 5405778576 is about 1755.0362220103.

The spelling of 5405778576 in words is "five billion, four hundred five million, seven hundred seventy-eight thousand, five hundred seventy-six".